unlawful activity

英 [ʌnˈlɔːfl ækˈtɪvəti]

美 [ʌnˈlɔːfl ækˈtɪvəti]

n. 非法活动

Pledging to "monitor oil and gas markets for potential violations of criminal or civil laws to safeguard against unlawful consumer harm," the DoJ has sought to uncover unlawful activity in the energy market, though it has shied away from explaining exactly how.
美国司法部确实承诺将“监控油气市场，发现可能存在的刑事或民事犯罪行为，防止消费者权益受到非法侵害”，但它一直避而不谈具体做法。
The business is a cover for unlawful activity.
以经商为幌子从事非法活动。
They repudiated all accusations fo unlawful activity.
他们否定了有关他们非法行为的所有指挥。
This is only the cover for their unlawful activity.
这仅仅是他们非法活动的掩护而已。
Some unlawful elements are flaunting the banner which the folk lends money, is engaged in the illegal activity, and is increasingly fierce; the serious influence folk have lent money normal development.
少数不法分子打着民间借贷的旗号，从事非法活动，并且愈演愈烈，严重影响了民间借贷的正常发展。